/*菜单部分 */
nav {
	width: 100%;
	height: 46px;
	line-height: 46px;
	border-bottom: 1px solid #383838;
	border-top: 1px solid #383838;
	z-index: 2;
	position: relative;
}
nav .nav {
	width: 1200px;
	display: flex;
	justify-content: left;
	margin: 0 auto;
}
.nav li {
	margin-right: 60px;
	padding: 0 10px;
}
nav li a {
	font: 400 15px 'MicrosoftYaHei';
	color: #fff;
}

/*二级菜单*/
.nav-menu {
	width: 100%;
	background: rgba(33,34,39,0.8);
	position: absolute;
	left: 0;
	display: none;
}
.menu-product {
	width: 1200px;
	margin: 30px auto 60px;
	display: flex;
	justify-content: left;
}
.menu-product ul {
	padding-right: 140px
}
.menu-product ul li {
	margin: 0;
	padding: 0 10px 0 0;
}
.menu-product ul li a {
	font: 400 12px 'MicrosoftYaHei';
	color: #ccc;
}

/*banner部分*/
.banner {
	width: 1200px;
	height: 516px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	overflow: hidden;
	z-index: 1
}
.banner-main {
	height: 250px;
	display: flex;
	flex-direction: column;
	justify-content: space-around;
}
.banner-main h2 {
	color: #fff;
	font:400 43px 'MicrosoftYaHei';
}
.banner-main p {
	color: #fff;
	font:400 22px 'MicrosoftYaHei';
}
.banner-main button {
	width: 152px;
	height: 44px;
	line-height: 44px;
	text-align: center;
	color: #fff;
	border: 1px solid #F5F5F5;
	background: transparent;
	cursor: pointer;
	outline: none;
	border-radius: 5px;
}
.banner-main button a {
	width: 100%;
	display: block;
	color: #fff
}
.bg-img {
	width: 500px;
	height: 516px;
	background: url('../images/banner_01.gif');
}

/*主体内容*/
.main-content {
	width: 100%;
}

/*每一部分的标题*/
.title {
	width: 1200px;
	margin: 40px auto;
	padding-bottom: 80px;
	text-align: center;
	color: #000;
	font: 400 42px 'MicrosoftYaHei';
	background: url('../images/images_02.png') no-repeat 500px 70px;
}

/*产品与服务内容*/
.product ul {
	width: 1200px;
	margin: 40px auto;
	display: flex;
	justify-content: space-around;
}
.product ul li {
	text-align: center;
	padding-bottom: 10px;
}
.content {
	width: 100%;
	height: 520px;
	background: #F8F8F8;
	display: flex;
	justify-content: center;
	align-items: center;
}
.describe {
	width: 478px;
	margin-left: 108px;
}
.describe h4 {
	font: 700 14px 'MicrosoftYaHei';
	color: #7A7A7A;
	margin-top: 20px
}
.describe p {
	font:400 1.4rem 'MicrosoftYaHei';
	color: #919191;
	line-height: 28px;
}

/*技术支持内容*/
.tel-support ul {
	width: 1200px;
	margin: 100px auto;
	display: flex;
	justify-content: space-around;
	flex-wrap: wrap;
}
.tel-support p {
	font: 700 16px 'MicrosoftYaHei';
	position: relative;
	top: -30px;
	color: #2A2A2A
}
.tel-support li {
	width: 455px;
	height: 276px;
	text-align: center;
	border-radius: 10px;
	box-shadow: 1px 0 20px #ccc;
	margin-bottom: 100px;
	cursor: pointer;
}
.tel-support span {
	font: 400 14px 'MicrosoftYaHei';
	color: #919191;
	line-height: 24px;
	display: block;
	text-align: left;
	padding: 0 54px 50px;
}
.tel-support ul img {
	position: relative;
	top: -50px
}

/*解决方案内容*/
.solution ul {
	width: 1200px;
	margin: 10px auto;
	display: flex;
	justify-content: space-between;
}
.solution li {
	text-align: center;
	color: #2A2A2A;
	font: 400 15px 'MicrosoftYaHei';
	padding: 10px;
	cursor: pointer
}
.solution span {
	padding: 20px 0;
	display: block;
}

/*底部内容*/
.footer-content {
	width: 100%;
	background: #1E1D23;
}

/*友情链接部分*/
.f-info {
	width: 1200px;
	margin: 100px auto 40px;
	display: flex;
	justify-content: space-between;
}
.f-info ul {
	margin-top: 30px;
}
.f-info li, .f-info a {
	color: #fff;
	font: 400 14px 'MicrosoftYaHei';
	line-height: 34px;
}
.f-info ul li:first-child {
	margin-bottom: 20px
}

/*备案信息部分*/
footer {
	width: 100%;
	text-align: center;
	color: #fff;
	font: 400 15px 'MicrosoftYaHei';
	border-top: 1px solid #737373
}
footer p {
	height: 78px;
	line-height: 78px;
}

/*返回顶部按钮部分*/
.back-animation {
	right: 0 !important;
}
.back-top {
	width: 50px;
	height: 50px;
	border-top-left-radius: 4px;
	border-bottom-left-radius: 4px;
	text-align: center;
	position: fixed;
	bottom: 50px;
	right: -50px;
	font-size: 50px;
	background: #2272FF;
	transition: 0.5s;
	color: #fff;
	cursor: pointer;
}
.back-top-lay {
	width: 100%;
	height: 100%;
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: space-around;
}
.back-top a{
	width: 100%;
	height: 100%;
	padding-top: 6px;
	font-size: 10px;
	color: #fff;
	z-index: 9999
}
.back-top span {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translateX(-50%);
	font-size: 10px
}

/*简单动画效果*/
.product ul li:hover {
	background: url('../images/line.png') no-repeat center 82px;
}
nav .nav-product:hover .nav-menu {
	display: block;
}
.tel-support li:hover,.solution li:hover {
	transition: 0.5s;
	box-shadow: 1px 10px 80px #ccc;
}
.menu-product ul li a:hover {
	color: #2272FF
}
